The arrestee is Sohel, 22 of Chandina upazila in Cumilla district.
Pranab Chowdhury, officer-in-charge of Khulshi Police Station, said a team of police of Khulshi police station with the help Dhaka police arrested Sohel from the capital in the morning.
Sohel and his friend Nahid with others were scheduled to go to Jhautala in Chattogram city on Saturday night for giving a lesson to someone through fight.
Sohel did not join them. As a result, Nahid went to the house of Sohel at Ambagan and sought the reason of his failing to join them.
At one stage, they picked up a quarrel and beat Sohel up over the issue. Sohel then hit Nahid with a screw driver in his chest, leaving him injured.
Later, he was taken to local hospital where the doctors declared him dead.